diff --git a/requirements.txt b/requirements.txt
index 4cbc81a..3cc7455 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ numpy==1.16.4
 Flask_SQLAlchemy==2.4.1
 six==1.12.0
 imutils==0.5.3
-Flask==1.1.1
+Flask==2.3.2
 Pillow==6.2.0
 imageio==2.6.1
 scikit_learn==0.21.3